55105100561010 has 16 divisors (see below), whose sum is σ = 132252241346496. Its totient is φ = 14694693482928.

The previous prime is 55105100561009. The next prime is 55105100561059. The reversal of 55105100561010 is 1016500150155.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1836836685367 = 55105100561010 / (5 + 5 + 1 + 0 + 5 + 1 + 0 + 0 + 5 + 6 + 1 + 0 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918418342654 + ... + 918418342713.

It is an arithmetic number, because the mean of its divisors is an integer number (8265765084156).

Almost surely, 2^{55105100561010} is an apocalyptic number.

55105100561010 is an abundant number, since it is smaller than the sum of its proper divisors (77147140785486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55105100561010 is a wasteful number, since it uses less digits than its factorization.

55105100561010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836836685377.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 55105100561010 in words is "fifty-five trillion, one hundred five billion, one hundred million, five hundred sixty-one thousand, ten".